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A017994 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 13
5 25
6 49
7 93
8 179
9 343
10 656
11 1255
12 2401
13 4592
14 8785
15 16807
16 32150
17 61501
18 117649
19 225054
20 430513
21 823543
22 1575381
23 3013595
24 5764801
25 11027667
26 21095169
27 40353607
28 77193673
29 147666184
30 282475249
31 540355712
32 1033663291
33 1977326743
34 3782489985

[1,1,3,7,13,25,49,93,179,343,656,1255,2401,4592,
 8785,16807,32150,61501,117649,225054,430513,
 823543,1575381,3013595,5764801,11027667,21095169,
 40353607,77193673,147666184,282475249,540355712,
 1033663291,1977326743,3782489985]

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Last modified April 16 14:46 EDT 2024. Contains 371749 sequences. (Running on oeis4.)